Hottest Questions This Week

3 votes

3 answers

308 views

Where does the energy required to initially begin the reaction of iron and oxygen come from?

Maurice

20.6k

answered 17 hours ago

6 votes

1 answer

331 views

Why does band heads arise in vibrational-rotational spectra?

physical-chemistry spectroscopy

orthocresol♦

65.6k

answered May 17 at 15:57

6 votes

1 answer

201 views

Water getting hotter once frozen?

phase temperature

Loong

2,228

modified 22 hours ago

3 votes

2 answers

95 views

Why is my battery of galvanic cells not enough to power a lamp rated for a lower voltage than the battery provides?

physical-chemistry electrochemistry aqueous-solution home-experiment reduction-potential

AChem

31.9k

modified yesterday

7 votes

1 answer

170 views

Details of what actually happens in cold sulfuric acid between 80 and 90%; what molecular changes cause the viscosity to skyrocket?

aqueous-solution molecular-structure viscosity

Oscar Lanzi

38.1k

modified 7 hours ago

2 votes

1 answer

171 views

Understanding the molar free energy to simulate phase separations (Na2O-SiO2)

physical-chemistry thermodynamics polymers glass

Jon Custer

7,591

modified May 16 at 20:18

-1 votes

1 answer

54 views

How to synthesize 1,1,1-trichloro-2,4-dimethylpentan-2-ol from methyl isobutyl ketone?

organic-chemistry carbonyl-compounds alcohols

andselisk♦

34.7k

modified 2 days ago

3 votes

1 answer

69 views

How does coenzyme A produce proton from pyruvate ions?

organic-chemistry reaction-mechanism biochemistry reference-request enzymes

Mathew Mahindaratne

34.6k

answered May 18 at 0:09

0 votes

1 answer

92 views

Cubic nature of van der Waals' gas equation

physical-chemistry gas-laws kinetic-theory-of-gases statistical-mechanics van-der-waals-behavior

andselisk♦

34.7k

modified May 17 at 16:25

2 votes

1 answer

51 views

How to synthesize anhydrous zinc(II) nitrate?

inorganic-chemistry experimental-chemistry synthesis nitro-compounds salt

andselisk♦

34.7k

modified 2 days ago

-2 votes

1 answer

52 views

Reduction potential of water

electrochemistry redox

AChem

31.9k

answered 15 hours ago

-1 votes

0 answers

107 views

Would you determine if the population is homogeneous or heterogeneous, if you collect and analyze a single sample? [closed]

analytical-chemistry

Bruce Mbachundu

1

asked 2 days ago

2 votes

1 answer

39 views

Atomization enthalpy trends. The case of Phosphorus

inorganic-chemistry thermodynamics enthalpy

Geoff Hutchison

26.8k

answered 6 hours ago

-2 votes

1 answer

77 views

Reason behind the existence of radioactive substances till now

radioactivity

AChem

31.9k

answered 2 days ago

3 votes

1 answer

79 views

Why does the equation for chemical potential apply to liquids and aqueous solutes?

physical-chemistry thermodynamics equilibrium mixtures chemical-potential

Maurice

20.6k

answered May 18 at 19:33

1 vote

1 answer

55 views

Purpose of measuring chloroform soluble extractives

food-chemistry toxicity

AChem

31.9k

answered 2 days ago

3 votes

0 answers

70 views

Acidification of a vicinal diol [duplicate]

organic-chemistry alcohols phenols rearrangements

user55119

13.3k

modified May 16 at 23:56

3 votes

0 answers

63 views

Calculate frequency dose from different light intensities

radicals electromagnetic-radiation light

katara

671

modified May 16 at 9:28

0 votes

1 answer

48 views

Gibbs free energy for an irreversible process

physical-chemistry thermodynamics

Chet Miller

11.8k

answered 2 days ago

-1 votes

1 answer

46 views

Does nickel precipetate gold and copper?

reactivity precipitation

Mithoron

4,347

modified May 15 at 15:58

-1 votes

0 answers

55 views

Comparing bond strength by overlapping of orbitals [closed]

inorganic-chemistry bond polarity

Shiva

17

modified May 17 at 15:55

1 vote

2 answers

40 views

How does the redox reaction in a voltaic battery pile start?

redox

Poutnik

27.2k

modified May 16 at 8:23

2 votes

1 answer

24 views

PVP-iodine and octenidine can stain skin purple, does the reaction create iodine radicals?

color radicals drugs

DrMoishe Pippik

23.5k

answered 4 hours ago

4 votes

0 answers

50 views

Rate of polymerization for copolymers with two monomers

organic-chemistry kinetics polymers chemical-engineering

andselisk♦

34.7k

modified May 18 at 7:47

1 vote

0 answers

45 views

Alternate electronegativity measures for exotic atoms?

theoretical-chemistry electronegativity exotic-atoms

Mithoron

4,347

modified yesterday

-1 votes

2 answers

35 views

Displacement Reaction [closed]

transition-metals ionic-compounds reactivity

Loong

2,228

modified May 15 at 9:51

-2 votes

0 answers

44 views

Can iodide (I- ion) act as an oxidising agent? [closed]

inorganic-chemistry redox halides oxidation-state halogens

anonymous2112

1

modified May 16 at 20:14

1 vote

0 answers

43 views

Comparison of boiling points between 2‐butanol and isobutanol

organic-chemistry alcohols boiling-point

andselisk♦

34.7k

modified May 16 at 14:29

0 votes

0 answers

43 views

Does vinyl chloride have greater electrophilic addition rate than ethene? [closed]

organic-chemistry electrophilic-substitution

Infinite

1,135

modified May 16 at 9:27

0 votes

0 answers

42 views

Why is the value of the heat capacity ratio γ the same for molecules with the same atomicity?

physical-chemistry thermodynamics gas-laws

andselisk♦

34.7k

modified 15 hours ago

-2 votes

0 answers

42 views

How does s subshell not have a node in the center despite the nucleus being there?

quantum-chemistry electrons orbitals atomic-structure

Nirabhra

5

asked May 16 at 9:57

0 votes

0 answers

41 views

Orbitals in benzene and other delocalised structures

organic-chemistry molecular-orbital-theory

andselisk♦

34.7k

modified yesterday

-2 votes

0 answers

39 views

Chemists out there how do you find specific solublity data for a given compound?

solubility

Jack

1

asked May 15 at 22:07

1 vote

0 answers

39 views

Could mixing naphtha-based cleaner and industrial floor cleaner produce hazardous substances?

everyday-chemistry identification cleaning

andselisk♦

34.7k

modified May 18 at 13:20

4 votes

0 answers

39 views

How should the reactivity of 1-propanesulfonyl chloride be expected to compare to tosyl chloride for sulfonylation?

organic-chemistry reaction-mechanism reactivity

Jon G

101

asked 2 days ago

-2 votes

0 answers

38 views

Meso Compound and Internal Line of Symmetry

stereochemistry polarimetry

EliteGamerSiddhu

1

modified May 16 at 5:07

2 votes

0 answers

34 views

How does iodic(VII) acid oxidise amines?

organic-chemistry amines organic-oxidation

andselisk♦

34.7k

modified 2 days ago

-2 votes

2 answers

34 views

Information about liquefied carbon factories from carbon dioxide

organic-chemistry carbon-dioxide

Maurice

20.6k

modified May 15 at 19:50

-3 votes

0 answers

33 views

Why do we implant ions in ZnO and TiO2 nanostructured films? [closed]

catalysis

Dodo iv

1

modified May 17 at 16:57

-2 votes

3 answers

67 views

forces between aldehydes and water molecules

intermolecular-forces

jimchmst

645

answered May 17 at 22:18

-3 votes

0 answers

31 views

thermodynamic equilibrium

physical-chemistry thermodynamics equilibrium

Ahmed Samir

95

asked May 16 at 7:59

2 votes

0 answers

31 views

Are there any types of adhesive which are designed to be easily soluble in strong acid (HCl with pH 1-4)?

acid-base adhesion

user124132

21

asked May 17 at 20:34

-1 votes

0 answers

30 views

quatum mechanics - calculating the initial photon wave length due to given data [closed]

quantum-chemistry electrons electronic-configuration photochemistry mechanochemistry

Ilya.K.

99

modified May 16 at 18:49

0 votes

0 answers

30 views

Which atom carries charge in polyatomic ions?

nomenclature ionic-compounds

Asaf Shachar

131

asked 21 hours ago

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